Just comment everything out in s:startup-sequence & s:user-startup that might make ramlib crash, by putting a ";" (without the "") infront of the programs. After this is done and you run startup-sequence 'light', if it doesn't crash anymore you can enable line by line again.
x303 
An easier approach is probably to boot without startup-sequence, enter the line
"set echo on"
and
"execute s:startup-sequence"
and see at which line the ramlib guru comes up.
